JPH0355447A - Humidifier - Google Patents

Abstract

PURPOSE:To prevent dew formation as far as possible even when the room temperature drops, by a method wherein a detected humidity is compared with a set humidity by a comparison means when the detected humidity exceeds a certain humidity and a correction means is provided to correct the set humidity to a lower one. CONSTITUTION:A detected humidity from a humidity detecting circuit 11 and a set humidity from a humidity setting circuit 12 are supplied to a comparator 14, and a detected room temperature from a room temperature detecting circuit 13 is sent to a correcting device 15. The correcting device judges whether the detected room temperature is lower than 10 deg.C, between 10-20 deg.C or over 20 deg.C. When it is lower than 10 deg.C, the set humidity input in the comparator 14 remains unchanged. When it is between 10-20 deg.C, the set humidity input in the comparator 14 is corrected to a lower value by 5%. When it is higher than 20 deg.C, the set humidity input to the comparator 14 is corrected to a lower value by 10%. Therefore, when the ambient temperature is high, the ambient humidity is kept lower than the set temperature and the moisture content in the air is relatively reduced, so that an excess moisture content is reduced even when the ambient temperature drops, resulting in preventing dew formation as far as possible.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a humidifier that allows humidity settings.

(Prior art) As shown in FIG. 4, this type of humidifier has been provided with a humidity detection circuit 1 for detecting the ambient temperature (indoor) and a humidity setting circuit 2 for setting the humidity. Humidity detection circuit 1
The detected humidity is compared with the set humidity from the temperature setting circuit 2, and when the detected humidity is less than the set humidity, the humidification controller 4 controls the operation of the ultrasonic oscillator 5 to operate the humidifier, and the detected humidity becomes the set humidity. There is a known system in which the humidification control section 4 stops the operation of the ultrasonic oscillation section 5 when the humidification temperature reaches the humidification temperature.

The humidifying operation using the ultrasonic oscillation 145 is carried out by vibrating an ultrasonic vibrator placed at the bottom of the water tank to atomize the water in the tank and discharging the particles to the outside by blowing air from a blower.

(Problem to be solved by the invention) By the way, humidifiers are usually used together with heaters, and when the room temperature rises due to the heater, the humidity in the room decreases, so the humidifier operates to maintain the humidity at a set value. I will do it.

For this reason, as shown in Figure 5, where the room temperature change is shown by the graph ■ and the humidity change is shown by the graph O, there is no problem when the heater is used because the humidity is kept constant according to the temperature.
When the heater is stopped operating at night and the room temperature drops considerably, the relative humidity in the room increases as the room temperature drops, causing the problem that the moisture in the room becomes supersaturated and condenses on furniture, walls, etc.

Therefore, the present invention aims to provide a humidifier that can prevent dew condensation as much as possible even when the room temperature drops by correcting the set humidity to a lower value when the room temperature rises.

[Structure of the Invention] (Means for Solving the Problems) The present invention comprises a humidity detection means ε for detecting the surrounding temperature a, a temperature detection means for detecting the surrounding temperature, a humidity setting means for setting the humidity, Comparing means compares the humidity detected by the humidity detection means and the set humidity by the humidity setting means, outputs a humidification signal when the detected humidity is less than the set humidity, and outputs a humidification stop signal when the detected humidity reaches the set humidity. a correction means that responds to the temperature detected by the temperature detection means and corrects the set humidity to a lower value compared by the comparison means when the detected temperature is equal to or higher than a predetermined temperature; and a humidification operation in response to a humidification signal from the comparison means. The system is equipped with a control means for operating the humidifying section.

(Function) In the present invention having such a configuration, when the ambient temperature detected by the temperature detection means exceeds a predetermined temperature, the set humidity compared in the comparison section is corrected to a lower value. Therefore, when the ambient temperature is high, the ambient humidity is kept lower than the set humidity, and the amount of moisture present in the air is relatively reduced. Therefore, even if the ambient temperature decreases, the amount of excess moisture will be reduced.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, 11 is a humidity detection circuit for detecting ambient, ie, indoor humidity, 12 is a humidity setting circuit for setting humidity, and 13 is a room temperature detection circuit for detecting room temperature.

The detected humidity from the humidity detection circuit 11 and the set humidity from the humidity setting circuit 12 are supplied to a comparison section (comparison means) 14. The detected room temperature from the room temperature detection circuit 13 is supplied to a correction section (correction means) 14.

The correction unit 14 judges whether the detected room temperature is below 10°C, between 10°C and 20°C, or above 20°C, as shown in S and S2 of FIG. 2, and if it is below 10°C, the above Leave the set humidity input to the comparator 14 as it is, and
If it is between 0°C and 20°C, the set humidity manually entered into the comparison section 14 is corrected to be 5% lower, and if it is over 20°C, the set humidity input into the comparison section 14 is corrected to be 10% lower. I'm trying to correct it.

As shown at 83 in FIG. 2, the comparison unit 14 compares the input set humidity with the detected humidity when the detected room temperature is less than 10°C, and controls the humidification control unit 16 to perform humidification operation if the set humidity is greater than the detected humidity. However, if the set humidity≦the detected humidity, the humidification control unit 16 is controlled to stop humidification. Also, as shown at 84 in Figure 2, when the detected room temperature is between 10°C and 20°C, the detected humidity is compared with the set humidity corrected to be 5% lower, and if the set humidity (5% lower) is > the detected humidity, then The humidification control unit 16 is operated to control the humidification, and the set humidity (5% lower) is set.
If the detected humidity is detected, the humidification control unit 16 is controlled to stop humidification. Furthermore, as shown in S in Figure 2, when the detected room temperature exceeds 20℃, the detected humidity is compared with the set humidity that has been corrected to be 10% lower, and the set humidity (10%
If the detected humidity is 10% lower than the detected humidity, the humidification control unit 16 is controlled to operate, and if the set humidity (10% lower)≦the detected humidity, the humidification control unit 16 is controlled to stop humidification.

The humidification control ga #16 constitutes @control means, controls the ultrasonic oscillator 17 constituting the humidification operation section, operates the oscillation section 17 during the humidification operation to vibrate the ultrasonic vibrator, and also performs humidification. At the time of stopping, the operation of the oscillating section 17 is stopped.

In this embodiment with such a structure, the room temperature detection circuit 1
3 detects 18° C., for example, the correction unit 15 corrects the set temperature from the humidity setting circuit 12 input to the comparison unit 14 to be 5% lower.

Therefore, for example, when heating is performed from 7 a.m. to 10 p.m. and the room temperature is maintained at 18.degree. C., the indoor humidity will be slightly lower than the set humidity. Therefore, even if the heating is stopped after 22:00 and the room temperature drops, the excessive humidity accompanying the drop in room temperature does not increase so much, and the occurrence of dew condensation can be prevented as much as possible.

If the room temperature change and humidity change at this time are shown in a graph, the third
The result is as shown in (a) of the figure. Note that the solid line graph indicates room temperature change, and the dashed-dotted line graph O indicates humidity change.

Further, when the room temperature detection circuit 13 detects, for example, 22° C., the correction section 15 corrects the set humidity input from the humidity setting circuit 12 to the comparison section 141 to be 10% lower.

Therefore, for example, when heating is performed from 7 a.m. to 10 p.m. and the room temperature is maintained at 22.degree. C., the indoor humidity is set to be lower than the set humidity when the room temperature is 18.degree.

Therefore, even if the heating is stopped after 22:00 and the room temperature suddenly drops, the excessive humidity accompanying the drop in room temperature will not increase as much as described above, and the occurrence of dew condensation can be prevented as much as possible.

If the room temperature change and humidity change at this time are shown in a graph, the third
The result is as shown in (b) of the figure. In addition, the length line graph O shows the room temperature change, and the one-dot chain line graph O shows the humidity change.

Furthermore, when the room temperature is low, below 10° C., even if there is a temperature drop during the night, the temperature drop is not that large, and there is not that much moisture in the air, so there is almost no risk of condensation occurring. Therefore, at this time, the humidity setting circuit 12
The humidification controller 16 is controlled by directly comparing the set humidity with the detected humidity without correcting it.

In addition, in the above embodiment, when the room temperature is less than 10°C, the set humidity is not corrected, when the room temperature is between 10°C and 20°C, the set humidity is corrected to be 5% lower, and when the room temperature exceeds 20°C, the set humidity is adjusted to 10%. Although the correction is made to a lower value, it is not necessarily limited to this, and the temperature range and the correction ratio within the temperature range may be set according to the usage situation.

[Effects of the Invention] As detailed above, the present invention provides a humidifier that can prevent dew condensation as much as possible even when the room temperature drops by correcting the set humidity to a lower value when the room temperature rises. It is possible.

[Brief explanation of drawings]

1 to 3 show embodiments of the present invention.
The figure is a block diagram, the second figure is a flow diagram showing humidity control, and the third figure is a flow diagram showing humidity control.
The figures are graphs showing changes in room temperature and humidity, Figures 4 and 5.
The figures show a conventional example; FIG. 4 is a block diagram, and FIG. 5 is a graph showing changes in room temperature and humidity. 11... Humidity detection circuit, 12... Humidity setting circuit, 13... Room temperature detection circuit, 14... Comparison section, 15... Correction section, 1 6... Humidification control section, 1 7. ...Ultrasonic oscillation section.

Claims (1)

[Claims] a humidity detection means for detecting ambient humidity, a temperature detection means for detecting ambient temperature, a humidity setting means for setting humidity, and comparing the detected humidity by the humidity detection means and the set humidity by the humidity setting means, a comparison means that outputs a humidification signal when the detected humidity is less than the set humidity and outputs a humidification stop signal when the detected humidity reaches the set humidity; In the above case, the present invention is characterized by being provided with a correction means for correcting to a lower value the set humidity compared by the comparison means, and a control means for causing the humidification operation section to operate in humidification in response to a humidification signal from the comparison means. humidifier.